Harvard Health Blog
Premenstrual dysphoric disorder: When it’s more than just PMS
Posted October 12, 2015, 8:00 am, Updated October 29, 2015, 5:41 pm Hope Ricciotti, M.D., Editor in Chief, Harvard Women's Health Watch Most women are at least somewhat familiar with the miseries of premenstrual syndrome (PMS). Nearly 75% of women experience symptoms of PMS during the two weeks before their menstrual periods. Premenstrual dysphoric disorder (PMDD) is PMS with a twist.